package org.example.utils;


import org.springframework.web.servlet.HandlerInterceptor;

import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;


public class LoginInterceptor implements HandlerInterceptor {

   // @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        //判断是否需要拦截（ThreadLocal中是否有用户）
        if(UserHolder.getUser()==null)
        {
            //没有，需要拦截，设置状态码
            response.setStatus(401);
            //拦截
            return false;
        }
        //由用户，则放行
        return true;
    }


}
